# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.

########################################################################
# OPENAPI-URI: /api/widgets/{pageid}
########################################################################
#    get:
#      summary: Shows the widget layout for a specific page
#      security:
#        - cookieAuth: []
#      parameters:
#        - name: pageid
#          in: path
#          description: Page ID to fetch design for
#          required: true
#          schema:
#            type: string
#      responses:
#        '200':
#          description: 200 Response
#          content:
#            application/json:
#              schema:
#                $ref: '#/components/schemas/WidgetDesign'
#        default:
#          description: unexpected error
#          content:
#            application/json:
#              schema:
#                $ref: '#/components/schemas/Error'
########################################################################
"""
This is the widget design handler for Kibble
"""
import os

import yaml
import json

from kibble.settings import YAML_DIRECTORY


def run(API, environ, indata, session):

    if not session.user:
        raise API.exception(403, "You must be logged in to use this API endpoint! %s")

    with open(os.path.join(YAML_DIRECTORY, "widgets.yaml")) as f:
        widgets = yaml.load(f)

    page = indata["pageid"]
    if not page or page == "0":
        page = widgets.get("defaultWidget", "repos")
    if page in widgets["widgets"]:
        yield json.dumps(widgets["widgets"][page])
    else:
        raise API.exception(404, "Widget design not found!")
